<template>
  <view>
    <view class="category_tab">
      <view class="category_tab_title">
        <view class="title_inner">
          <uni-segmented-control
            :current="current"
            :values="items.map((v) => v.title)"
            @clickItem="onClickItem"
            style-type="text"
            active-color="#d4237a"
          ></uni-segmented-control>
        </view>
        <view class="iconfont iconsearch"></view>
      </view>

      <scroll-view
        @scrolltolower="handleScrolltolower"
        enable-flex
        scroll-y
        class="category_tab_content"
      >
        <view v-for="item in vertical" :key="item.id" class="cate_item">
          <image :src="item.thumb" mode="widthFix"></image>
        </view>
      </scroll-view>
    </view>
  </view>
</template>

<script>
import { uniSegmentedControl } from "@dcloudio/uni-ui/lib/uni-segmented-control/uni-segmented-control.vue";
export default {
  name: "UniIndex",
  components: {
    uniSegmentedControl,
  },
  data() {
    return {
      items: [
        { title: "最新", order: "new" },
        { title: "热门", order: "hot" },
      ],
      current: 0,
      params: {
        limit: 30,
        skip: 0,
        order: "new",
      },
      id: 0,
      // 页面显示数据数组
      vertical: [],
      // 是否有更多数据
      hasMore: true,
    };
  },

  mounted() {},
  onLoad(options) {
    this.id = options.id;
    this.getList();
  },
  methods: {
    onClickItem(e) {
      // 根据被点击的标题切换标题数据

      if (this.current !== e.currentIndex) {
        this.current = e.currentIndex;
      }else{
        // 点击的是相同的标题
        return ;
      }
      this.params.order = this.items[e.currentIndex].order;
      
      this.vertical = [];
      this.params.skip = 0;
      this.hasMore = true;
      this.getList();
    },
    getList() {
      this.request({
        url:
          "http://service.picasso.adesk.com/v1/vertical/category/" +
          this.id +
          "/vertical",
        data: this.params,
      }).then((res) => {
        console.log(res);
        if (res.res.vertical.length === 0) {
          this.hasMore = false;
          uni.showToast({
            title: "没有更多数据了",
            icon: "none",
          });
          return;
        }
        this.vertical = [...this.vertical, ...res.res.vertical];
      });
    },
    // 加载下一页数据
    handleScrolltolower() {
      if (this.hasMore) {
        this.params.skip += this.params.limit;
        this.getList();
      } else {
        uni.showToast({
          title: "没有更多数据了",
          icon: "none",
        });
      }
    },
  },
};
</script>

<style lang="scss" scoped>
.category_tab {
  .category_tab_title {
    position: relative;
    .title_inner {
      width: 60%;
      margin: 0 auto;
    }
    .iconsearch {
      position: absolute;
      top: 50%;
      transform: translateY(-50%);
      right: 5%;
    }
  }
  .category_tab_content {
    height: calc(100vh - 36px);
    display: flex;
    flex-wrap: wrap;
    .cate_item {
      width: 33.3%;
      border: 5rpx solid #fff;
      image {
      }
    }
  }
}
</style>